CN210799360U - Pump head and housing integrated directional rotary compressor - Google Patents

Abstract

The utility model discloses a pump head and shell body integrated directional rotary compressor, which comprises a pump shell body, an end cover and a bottom cover, the end cover and the bottom cover are fixed at two ends of the pump shell, the end cover is provided with an air inlet, the bottom cover is provided with an air outlet, the top end of the pump shell is provided with a controller which is electrically connected with a motor, the motor is fixed with an eccentric shaft, the end part of one end of the eccentric shaft far away from the motor is eccentrically welded with a driving shaft, the driving shaft is rotationally connected with an intermediate rotor through a bearing, the middle rotor is positioned in the pump shell, the outer end of one side of the middle rotor is fixed with a transition rotor, the middle of transition rotor has the slider, the inner end tip of slider runs through middle rotor and slides in circular spacing groove, circular spacing groove sets up on the installation piece is close to the one end terminal surface of middle rotor. The integrated design of the shell and the pump head has the advantages of low manufacturing cost, simple processing, high compression efficiency and low noise.

Description

Pump head and housing integrated directional rotary compressor

Technical Field

The utility model belongs to the technical field of the compressor, concretely relates to pump head and directional rotary compressor of casing integration.

Background

A compressor is a driven fluid machine that raises low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The refrigerating cycle is powered by sucking low-temperature and low-pressure refrigerant gas from the air suction pipe, driving the piston to compress the refrigerant gas through the operation of the motor, and discharging high-temperature and high-pressure refrigerant gas to the exhaust pipe.

The common compressor in the market is split type, and the pump head is firstly manufactured and then is installed in the shell, so that the structure causes high processing and manufacturing and material costs, and the requirement on the assembly process is high. In view of the above, there is a need for a pump head and housing integrated directional rotary compressor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pump head and directional rotary compressor of casing integration to it is split type mostly to propose current compressor in solving above-mentioned background art, has both done into the casing after the pump head well earlier, and such structure leads to manufacturing and material cost height, also requires higher problem to assembly process.

In order to achieve the above object, the utility model provides a following technical scheme: a pump head and shell integrated directional rotary compressor comprises a pump shell, an end cover and a bottom cover, wherein the end cover and the bottom cover are respectively fixed at the end parts at two ends of the pump shell through bolts, an air inlet is formed in the end cover and is communicated with the inside of the pump shell, an air outlet is formed in the bottom cover and is communicated with the inside of the pump shell, a controller is installed on the outer side of the top end of the pump shell, the controller is electrically connected with a motor, the motor is fixed at one side close to the end cover in the pump shell, an eccentric shaft is fixed at the end part of an output shaft of the motor and is connected with an installation block through a bearing in a rotating manner, the installation block is fixed in the pump shell, a driving shaft is welded at the end part, far away from the motor, of the eccentric shaft in, the transition rotor is fixed with to one side outer end of interrotor, the centre sliding connection of transition rotor has the slider, the inner end tip of slider runs through interrotor and slides in circular spacing inslot, circular spacing inslot sets up on the installation piece is close to the one end terminal surface of interrotor.

Preferably, the interrotor is provided with lightening holes.

Preferably, a balancing weight is fixed on the eccentric shaft and is positioned between the mounting block and the motor.

Preferably, sealing rings are arranged between the end cover and the pump shell and between the bottom cover and the pump shell.

Preferably, a controller cover is mounted on the upper end of the controller.

Preferably, both sides of the bottom end of the pump shell are welded with stainless steel bases.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an internally mounted at the pump casing has the motor, the output shaft of motor drives the eccentric shaft rotatory, the eccentric shaft passes through the center of bearing location at the pump casing, the rotatory drive shaft rotation of eccentric shaft, and then the drive shaft drives the interrotor at the pump casing internal rotation, and then the interrotor drives the transition rotor and makes a round trip to slide on the slider, the interrotor makes its excircle and the laminating of pump casing inner wall and swing, form air compression, compressor working process, the inlet port entering pump casing on the refrigerant passes through the end cover in, the interrotor compression back in the rethread pump casing, the venthole discharge on the bottom gets into refrigerating system, and then realize the compression of air, high compression efficiency, the noise is little, moreover, the steam generator. And this compressor is with casing and pump head integration, and manufacturing cost is lower, and the processing degree of difficulty is not high, material saving, and this compressor compares on the market compressor under the condition of equal efficiency, and the weight of compressor is still less, and the appearance is littleer to use more conveniently.

Drawings

FIG. 1 is a first internal structure diagram of the present invention;

FIG. 2 is a second internal structure view of the present invention;

fig. 3 is a perspective view of the present invention;

fig. 4 is an exploded view of the structure of the intermediate rotor and the eccentric shaft of the present invention.

Reference numerals: 1. a pump housing; 2. an end cap; 3. a bottom cover; 4. an air inlet; 5. an air outlet; 6. a controller; 7. a motor; 8. an eccentric shaft; 9. mounting blocks; 10. a drive shaft; 11. an intermediate rotor; 12. a transition rotor; 13. a slider; 14. a circular limiting groove; 15. lightening holes; 16. a balancing weight; 17. a seal ring; 18. a controller cover; 19. a stainless steel base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pump head and shell integrated directional rotary compressor comprises a pump shell 1, an end cover 2 and a bottom cover 3, wherein the end cover 2 and the bottom cover 3 are respectively fixed at the end parts at two ends of the pump shell 1 through bolts, an air inlet 4 is arranged on the end cover 2, the air inlet 4 is communicated with the inside of the pump shell 1, an air outlet 5 is arranged on the bottom cover 3, the air outlet 5 is communicated with the inside of the pump shell 1, a controller 6 is arranged at the outer side of the top end of the pump shell 1, the controller 6 is electrically connected with a motor 7, the motor 7 is fixed at one side, close to the end cover 2, inside the pump shell 1, of the motor 7, an eccentric shaft 8 is fixed at the end part of an output shaft of the motor 7, the eccentric shaft 8 is rotatably connected with a mounting block 9 through a bearing, the mounting block 9 is, the drive shaft 10 is connected with an intermediate rotor 11 through a bearing in a rotating manner, the intermediate rotor 11 is located inside the pump housing 1, the outer end of one side of the intermediate rotor 11 is fixed with a transition rotor 12, the middle of the transition rotor 12 is connected with a sliding block 13 in a sliding manner, the end part of the inner end of the sliding block 13 penetrates through the intermediate rotor 11 and slides in a circular limiting groove 14, and the circular limiting groove 14 is arranged on the end face of one end, close to the intermediate rotor 11, of the mounting block 9.

Furthermore, the interrotor 11 is provided with a lightening hole 15. The lightening holes 15 lighten the weight of the interrotor 11, thereby reducing the energy consumed when the interrotor 11 rotates, and simultaneously saving materials and reducing the cost.

Further, a counterweight 16 is fixed on the eccentric shaft 8, and the counterweight 16 is positioned between the mounting block 9 and the motor 7. The weight 16 is provided to offset the centrifugal force generated when the intermediate rotor 11 rotates, thereby improving the stability of the device.

Further, sealing rings 17 are arranged between the end cover 2 and the pump housing 1 and between the bottom cover 3 and the pump housing 1. The airtightness of connection between the end cover 2 and the bottom cover 3 and the pump shell 1 is improved, and the phenomenon that air in the pump shell 1 escapes from gaps between the end cover 2 and the bottom cover 3 and the pump shell 1 to influence air compression is avoided, so that a sealing effect is achieved.

Further, a controller cover 18 is mounted on an upper end of the controller 6. The controller cover 18 realizes the isolation protection of the controller 6, avoids the damage caused by the collision of external foreign objects with the controller cover, and simultaneously plays the roles of water prevention and dust prevention.

Further, both sides of the bottom end of the pump housing 1 are welded with stainless steel bases 19. The pump shell 1 is convenient to mount and fix, the stability of the device during mounting is improved, and the device is convenient to work.

It should be noted that the specific model specifications of the controller 6 and the motor 7 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the controller 6 and the motor 7 and the principle thereof will be clear to a person skilled in the art and will not be described in detail here.

The working principle is as follows: through internally mounted at pump casing 1 there is motor 7, motor 7's output shaft drives eccentric shaft 8 rotatory, eccentric shaft 8 passes through the center of bearing location at pump casing 1, eccentric shaft 8's rotation drives drive shaft 10 rotatory, and then drive shaft 10 drives interrotor 11 at pump casing 1 internal rotation, and then interrotor 11 drives transition rotor 12 and makes a round trip to slide on slider 13, interrotor 11 makes its excircle and the laminating of pump casing 1 inner wall and swing, form air compression, compressor working process, the refrigerant passes through inlet port 4 on the end cover 2 and gets into in pump casing 1, after the interrotor 11 compression in the rethread pump casing 1, the 5 discharge entering refrigerating system of venthole on the bottom 3, and then realize the compression of air.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pump head and directional rotary compressor of casing integration, includes pump casing (1), end cover (2) and bottom (3), its characterized in that: the end cover (2) and the bottom cover (3) are respectively fixed at the end parts of two ends of the pump shell (1) through bolts, an air inlet hole (4) is formed in the end cover (2), the air inlet hole (4) is communicated with the inside of the pump shell (1), an air outlet hole (5) is formed in the bottom cover (3), the air outlet hole (5) is communicated with the inside of the pump shell (1), a controller (6) is installed on the outer side of the top end of the pump shell (1), the controller (6) is electrically connected with a motor (7), the motor (7) is fixed at one side, close to the end cover (2), inside the pump shell (1), an eccentric shaft (8) is fixed at the end part of an output shaft of the motor (7), the eccentric shaft (8) is connected with an installation block (9) through a bearing in a rotating manner, the installation block (9) is fixed inside the pump shell (1), one end part, far away, the utility model discloses a pump casing, including drive shaft (10), intermediate rotor (11), slider (13), drive shaft (10) are connected with intermediate rotor (11) through the bearing rotation, intermediate rotor (11) are located the inside of pump casing (1), one side outer end of intermediate rotor (11) is fixed with transition rotor (12), the centre sliding connection of transition rotor (12) has slider (13), the inner end tip of slider (13) runs through intermediate rotor (11) and slides in circular spacing groove (14), circular spacing groove (14) set up on the one end terminal surface that installation piece (9) are close to intermediate rotor (11).

2. A pump head and housing integrated directional rotary compressor as claimed in claim 1, wherein: the intermediate rotor (11) is provided with a lightening hole (15).

3. A pump head and housing integrated directional rotary compressor as claimed in claim 1, wherein: a balancing weight (16) is fixed on the eccentric shaft (8), and the balancing weight (16) is positioned between the mounting block (9) and the motor (7).

4. A pump head and housing integrated directional rotary compressor as claimed in claim 1, wherein: sealing rings (17) are arranged between the end cover (2) and the pump shell (1) and between the bottom cover (3) and the pump shell (1).

5. A pump head and housing integrated directional rotary compressor as claimed in claim 1, wherein: and a controller cover (18) is installed at the upper end of the controller (6).

6. A pump head and housing integrated directional rotary compressor as claimed in claim 1, wherein: stainless steel bases (19) are welded on two sides of the bottom end of the pump shell (1).

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